Will I ever be able to get stuff from the past?
Maybe - all of the things you mentioned are season events updates from classic episodes and the game wasn't on android then so maybe.
Forum Discussion
Use this. It's a time machine.
http://moviesmedia.ign.com/movies/image/article/107/1079949/time-machines-through-er-time-20100325065957774.jpg
http://moviesmedia.ign.com/movies/image/article/107/1079949/time-machines-through-er-time-20100325065957774.jpg
